Defined in 1 files as a prototype:
Defined in 2 files as a function:
- include/linux/bpf.h, line 2289 (as a function)
- kernel/bpf/bpf_struct_ops.c, line 521 (as a function)
Referenced in 2 files:
Smatch caller information:
kernel/bpf/syscall.c bpf_map_copy_value() -> bpf_struct_ops_map_sys_lookup_elem()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->map_type | 26 |
| PARAM_VALUE | 0 | map->ops | 0-8176211074560897023,8176211074560897025-u64max |
| PARAM_VALUE | 0 | map->ops->map_lookup_batch | 0,631431616227323904,968212869968297984,3636988385139924992,5229998854994575360,6341067303080312832,6609440822477774848 |
| PARAM_VALUE | 0 | map->ops->map_release | 0,4096-ptr_max |
| PARAM_VALUE | 1 | key | 0,16,4096-ptr_max |
| PARAM_VALUE | 2 | value | 16,4096-ptr_max |
| BUF_SIZE | 0 | map | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | map | s32min-(-2),1-s32max |
| BUF_SIZE | 1 | key | (-1)-s32max |
| BUF_SIZE | 1 | key | (-1)-s32max |
| BUF_SIZE | 2 | value | (-1)-s32max |
| BUF_SIZE | 2 | value | (-1)-s32max |
| CAPPED_DATA | 0 | map | 1 |
| DATA_SOURCE | 0 | map | $0 |
| DATA_SOURCE | 1 | key | $1 |
| DATA_SOURCE | 2 | value | $2 |
| USER_DATA | 1 | *key | s64min-s64max |
| UNITS | 2 | value | unit_byte |
| USER_PTR | 1 | key |
kernel/bpf/bpf_struct_ops.c bpf_struct_ops_map_seq_show_elem() -> bpf_struct_ops_map_sys_lookup_elem()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | map | 4096-ptr_max |
| PARAM_VALUE | 0 | map->ops | 4096-ptr_max |
| PARAM_VALUE | 0 | map->value_size | 0-4000000 |
| PARAM_VALUE | 2 | value | 16,4096-ptr_max |
| BUF_SIZE | 0 | map | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | map | s32min-(-2),1-s32max |
| BUF_SIZE | 1 | key | 1-s32max |
| BUF_SIZE | 1 | key | 1-s32max |
| BUF_SIZE | 2 | value | 0-u32max |
| BUF_SIZE | 2 | value | 0-u32max |
| DATA_SOURCE | 0 | map | $0 |
| DATA_SOURCE | 1 | key | $1 |
| DATA_SOURCE | 2 | value | r _kmalloc_noprof |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &m->lock | ||
| TYPE_LOCK | (struct seq_file)->lock |